Kovakromipinnoitus
Kovakromipinnoitus, also known as hard chrome plating, is an electrochemical deposition process used to apply a hard, wear-resistant chromium coating onto a substrate. This coating is typically applied to metal parts to improve their durability, reduce friction, and enhance corrosion resistance. The process involves immersing the workpiece, which acts as the cathode, in a chromic acid-based electrolyte solution. Anode bars, typically made of lead alloys, are also submerged in the solution and connected to a DC power supply. When current is applied, chromium ions from the electrolyte are reduced and deposited onto the cathode surface.
The thickness of the hard chrome coating can vary significantly depending on the application, ranging from
Beyond its wear resistance, hard chrome plating offers excellent corrosion protection, especially in environments prone to